A rare galaxy type, polar ring galaxies have a substantial population of stars, gas, and dust orbiting in rings nearly perpendicular to the plane of the galactic disk.
极环星系是种稀有的星系类型,它们有着几乎和银盘平面垂直,呈环形公转的大量的恒星、气体和星尘。
Astronomers estimating the apparent age of the ring to be around 5, 000 years, also find more distant gas clouds perpendicular to the ring plane, seen here at the upper left and lower right.
天文学家推测该环的表面年龄大约在5000年左右,还发现垂直于该环形行星有着距离更远的气体云,图中就是左上和右下的部分。
The optimum design of plane quadratic enveloping ring surface worm drive has been realized using the theory and method of optimization.
针对平面二次包络环面蜗杆传动,运用优化理论和方法,对其进行了优化设计。
Use of rotational inertia of the definition of calculated rigid oval ring around the ring with the vertical plane through the central axis and the moment of inertia.
运用转动惯量定义式直接计算出椭圆环刚体绕垂直与环平面且通过中心轴的转动惯量。
The result shows that the transition state of the rearrangement reaction is a three-member ring structure external the molecular plane.
结果发现,该重排反应经过一个面外三元环过渡态。
The plane perpendicular to the axis line, and the ring reference face or back of the section parallel to the ring plane, can be considered a radial plane.
垂直于轴心线的平面,与套圈基准端面或垫圈背面的切面平行的平面,可以认为是径向平面。
Presented the routing method of the packet going to the RPR ring network and its control plane and forwarding plane design.
研究提出了报文上RPR环网的选路表方法,以及控制平面和转发平面的设计实现。
Our calculations show that the Bessel-Gauss beam can be produced in the focused plane of the ring apertured Gaussian beam, this method is efficient and simple.
本文通过计算指出环状分布的光束经透镜后可在焦平面产生适用于激光打孔的贝塞尔·高斯光束,这是一种高效、简单实用的方法。
The in-plane buckling of Ring Structure under uniform pressure, radial concentrated forces, orthogonal forces, radial cable forces and under orthogonal cable forces.
在均匀压力、径向集中荷载、正交集中荷载作用下圆形环梁的在平面屈曲问题。
The head center of the soldering iron head is provided with a centering pin positioned at the center point of the circular ring circle and rising a little altitude than the circular ring plane.
在所述烙铁头的头部中心有一定心针,该定心针位于圆环的圆心处,高度略微高出圆环平面。
The plane rotation axis system adopted for the bridge is composed of plane rotation axis, inner and outer safety legs and plane ring slideway.
大桥采用的平面转动轴心体系由平面转动轴心、内外保险腿和平面环形滑道组成。
Supporting ring section is zigzag and is installed on the underside of the table. Top heating surface of induction cooker is on the same plane with table surface.
托环截面为之字型结构,该托环设置在桌子下表面,电磁炉发热的顶面与桌面平齐。
The model and calculating method for determining the out-plane load of paper honeycomb were established based on the ring crush strength of paper.
通过对纸蜂窝结构特性和压缩破坏机理的分析,建立以原纸环压强度为控制的纸蜂窝结构面外载荷理论模型和临界载荷计算方法。
Formulas for estimating 50% breakdown voltages of sphere-plane and ring-plane gaps are presented.
提出了球—板间隙和环—板间隙正操作冲击50%击穿电压的估算公式。
The study of plane pure-phase equi-width ring diffractive optical lenses is reported.
报道二维纯位相环带衍射光学透镜的研究。
Pins in an array of segments are offset with the central plane of a ring type article to permit a gem stone to be seated deep within the core.
段的排列中的销偏离戒指等饰品的中心平面从而使钻石能够深深的坐在所述芯内。
Animated graphics clarify even vibrations that are difficult to comprehend, such as the out-of-plane ring bend.
这里的动画图甚至能把诸如环的面外弯曲振动这些难以理解的振动形式解释清楚。
Not visible here is unusual central polar ring of gas circling out of the plane near the galaxy's center.
一罕有的中央气体极环这里并不能看到,极环盘旋于靠近星系中间的外侧平面。
The design of optical structure and software system about loss instrument of out-of-plane ring resonator is described particularly in this paper.
论文详细描述了异面环形谐振腔损耗仪系统的光路结构和软件系统两个部分的设计和测试工作。
The results manifest that the dielectric-loading can lower the operating voltage of the ring-plane slow-wave structure. Good accordance was obtained between results by this method and that of CST-MWS.
计算结果与CST - MWS的模拟结果吻合良好,说明所提出的计算等效相对介电常数的方法和计算色散方程的方法对环板慢波结构是切实可行的。
The results manifest that the dielectric-loading can lower the operating voltage of the ring-plane slow-wave structure. Good accordance was obtained between results by this method and that of CST-MWS.
计算结果与CST - MWS的模拟结果吻合良好,说明所提出的计算等效相对介电常数的方法和计算色散方程的方法对环板慢波结构是切实可行的。
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